Sirius 12.9 Grade Socket Head Cap Screws UNC 3/8 UNC 1" Pack of 200

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Sirius 12.9 Grade Socket Head Cap Screws UNC 3/8 UNC 1" Pack of 200

These socket head cap screws offer exceptional strength and reliability for demanding fastening applications. Manufactured from high-grade alloy steel and heat-treated to 12.9 tensile strength, they provide superior load-bearing capacity and long-lasting performance, even under high stress and vibration. The UNC 3/8 thread profile ensures a secure, tight fit with standard imperial nuts and tapped holes, making them ideal for machinery, automotive, construction, and general engineering projects. Supplied in a convenient pack of 200, you have ample stock for multiple jobs or bulk repairs without the need for repeat ordering.

- Grade 12.9 alloy steel for maximum tensile strength and durability

- UNC 3/8 thread size with 1 inch length for versatile imperial applications

- Socket head design allows secure hex key tightening with high torque

- Heat-treated and hardened for resistance to wear and shear

- Precision manufactured to tight tolerances for consistent thread engagement

- Supplied in a pack of 200 – cost effective for professional and industrial use

- Suitable for high-stress environments including automotive, heavy machinery, and structural assemblies

- Black oxide or plain finish for corrosion resistance (check listing for exact finish)

Whether you are assembling critical equipment or performing routine maintenance, these screws deliver the robust fastening you can trust.

GTIN: 5014196272498